Principle Of Inheritance And Variation Question 71
Question: A black dog heterozygous for the colour is crossed with white bitch, recessive homozygous. Progeny will show black to white offsprings in the ratio of [DPMT 1983]
Options:
A) All black
B) All albino
C) 1 : 1
D) 3 : 1
Show Answer
Answer:
Correct Answer: C
Solution:
It is a test cross ratio whenever a dominant heterozygous (Xx) is crossed with recessive homozygous (xx), the ratio in their progeny is 1 : 1.
BETA
